Solar Fastener Expert 317031CSS 5/16-18 Serrated Flange Lock Nut, 18-8-Inch, Stainless Steel, 100-Pack
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<b>[Product Information]</b><br>
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<li>300 Series Stainless Steel, (18-8)</li>
<li>Tensile - 100,000 psi to 125,000 psi</li>
<li>Hardness - 85 Rockwell B</li>
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